From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42170) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cvkHS-0000Wr-TH for qemu-devel@nongnu.org; Wed, 05 Apr 2017 08:43:26 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cvkHR-0001Sc-Tl for qemu-devel@nongnu.org; Wed, 05 Apr 2017 08:43:22 -0400 Received: from 8.mo177.mail-out.ovh.net ([46.105.61.98]:49493) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cvkHR-0001RY-Nj for qemu-devel@nongnu.org; Wed, 05 Apr 2017 08:43:21 -0400 Received: from player688.ha.ovh.net (b6.ovh.net [213.186.33.56]) by mo177.mail-out.ovh.net (Postfix) with ESMTP id A5EB947DF7 for ; Wed, 5 Apr 2017 14:43:20 +0200 (CEST) From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Date: Wed, 5 Apr 2017 14:41:38 +0200 Message-Id: <1491396106-26376-14-git-send-email-clg@kaod.org> In-Reply-To: <1491396106-26376-1-git-send-email-clg@kaod.org> References: <1491396106-26376-1-git-send-email-clg@kaod.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Subject: [Qemu-devel] [PATCH 13/21] ppc/pnv: populate device tree for serial devices List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: David Gibson Cc: qemu-ppc@nongnu.org, qemu-devel@nongnu.org, =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Signed-off-by: C=C3=A9dric Le Goater --- hw/ppc/pnv.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c index 2f9c41e350d4..00e594a0cbe3 100644 --- a/hw/ppc/pnv.c +++ b/hw/ppc/pnv.c @@ -301,6 +301,37 @@ static void powernv_populate_rtc(ISADevice *d, void = *fdt, int lpc_off) _FDT((fdt_setprop_string(fdt, node, "compatible", "pnpPNP,b00"))); } =20 +static void powernv_populate_serial(ISADevice *d, void *fdt, int lpc_off= ) +{ + const char compatible[] =3D "ns16550\0pnpPNP,501"; + uint32_t io_base =3D d->ioport_id; + uint32_t io_regs[] =3D { + cpu_to_be32(1), + cpu_to_be32(io_base), + cpu_to_be32(8) + }; + char *name; + int node; + + name =3D g_strdup_printf("%s@i%x", qdev_fw_name(DEVICE(d)), io_base)= ; + node =3D fdt_add_subnode(fdt, lpc_off, name); + _FDT(node); + g_free(name); + + _FDT((fdt_setprop(fdt, node, "reg", io_regs, sizeof(io_regs)))); + _FDT((fdt_setprop(fdt, node, "compatible", compatible, + sizeof(compatible)))); + + _FDT((fdt_setprop_cell(fdt, node, "clock-frequency", 1843200))); + _FDT((fdt_setprop_cell(fdt, node, "current-speed", 115200))); + _FDT((fdt_setprop_cell(fdt, node, "interrupts", d->isairq[0]))); + _FDT((fdt_setprop_cell(fdt, node, "interrupt-parent", + fdt_get_phandle(fdt, lpc_off)))); + + /* This is needed by Linux */ + _FDT((fdt_setprop_string(fdt, node, "device_type", "serial"))); +} + typedef struct ForeachPopulateArgs { void *fdt; int offset; @@ -313,6 +344,8 @@ static int powernv_populate_isa_device(DeviceState *d= ev, void *opaque) =20 if (object_dynamic_cast(OBJECT(dev), TYPE_MC146818_RTC)) { powernv_populate_rtc(d, args->fdt, args->offset); + } else if (object_dynamic_cast(OBJECT(dev), TYPE_ISA_SERIAL)) { + powernv_populate_serial(d, args->fdt, args->offset); } else { error_report("unknown isa device %s@i%x", qdev_fw_name(dev), d->ioport_id); --=20 2.7.4